@article{Lampens:2187,
      author        = "Lampens, P. and  Prieur, J.-L. and  Argyle, R. W. and 
                       Cuypers, J.",
      title         = "{Relative astrometry and near-infrared differential
                       photometry of nearby southern orbital binaries with
                       adaptive optics}",
      year          = "2013",
}